ar71xx: add kernel support for Atheros AP132 Reference Board

Based on http://patchwork.openwrt.org/patch/3162/

Signed-off-by: Embedded Wireless GmbH <info at embeddedwireless.de>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35395 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 189 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-ap132.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-ap132.c
new file mode 100644
index 000000000..86fd8bd7a
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-ap132.c
@@ -0,0 +1,189 @@
+/*
+ * Atheros AP132 reference board support
+ *
+ * Copyright (c) 2012 Qualcomm Atheros
+ * Copyright (c) 2012 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (c) 2013 Embedded Wireless GmbH <info@embeddedwireless.de>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <linux/ar8216_platform.h>
+
+#include <asm/mach-ath79/ar71xx_regs.h>
+
+#include "common.h"
+#include "dev-ap9x-pci.h"
+#include "dev-gpio-buttons.h"
+#include "dev-eth.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "dev-usb.h"
+#include "dev-wmac.h"
+#include "machtypes.h"
+
+#define AP132_GPIO_LED_USB		4
+#define AP132_GPIO_LED_WLAN_5G		12
+#define AP132_GPIO_LED_WLAN_2G		13
+#define AP132_GPIO_LED_STATUS_RED	14
+#define AP132_GPIO_LED_WPS_RED		15
+
+#define AP132_GPIO_BTN_WPS		16
+
+#define AP132_KEYS_POLL_INTERVAL	20	/* msecs */
+#define AP132_KEYS_DEBOUNCE_INTERVAL	(3 * AP132_KEYS_POLL_INTERVAL)
+
+#define AP132_MAC0_OFFSET		0
+#define AP132_WMAC_CALDATA_OFFSET	0x1000
+
+static struct gpio_led ap132_leds_gpio[] __initdata = {
+	{
+		.name		= "ap132:red:status",
+		.gpio		= AP132_GPIO_LED_STATUS_RED,
+		.active_low	= 1,
+	},
+	{
+		.name		= "ap132:red:wps",
+		.gpio		= AP132_GPIO_LED_WPS_RED,
+		.active_low	= 1,
+	},
+	{
+		.name		= "ap132:red:wlan-2g",
+		.gpio		= AP132_GPIO_LED_WLAN_2G,
+		.active_low	= 1,
+	},
+	{
+		.name		= "ap132:red:usb",
+		.gpio		= AP132_GPIO_LED_USB,
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_keys_button ap132_gpio_keys[] __initdata = {
+	{
+		.desc		= "WPS button",
+		.type		= EV_KEY,
+		.code		= KEY_WPS_BUTTON,
+		.debounce_interval = AP132_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= AP132_GPIO_BTN_WPS,
+		.active_low	= 1,
+	},
+};
+
+static struct ar8327_pad_cfg ap132_ar8327_pad0_cfg;
+
+static struct ar8327_platform_data ap132_ar8327_data = {
+	.pad0_cfg = &ap132_ar8327_pad0_cfg,
+	.port0_cfg = {
+		.force_link = 1,
+		.speed = AR8327_PORT_SPEED_1000,
+		.duplex = 1,
+		.txpause = 1,
+		.rxpause = 1,
+	},
+};
+
+static struct mdio_board_info ap132_mdio1_info[] = {
+	{
+		.bus_id = "ag71xx-mdio.1",
+		.phy_addr = 0,
+		.platform_data = &ap132_ar8327_data,
+	},
+};
+
+static void __init ap132_mdio_setup(void)
+{
+	void __iomem *base;
+	u32 t;
+
+#define GPIO_IN_ENABLE3_ADDRESS                                      0x0050
+#define GPIO_IN_ENABLE3_MII_GE1_MDI_MASK                             0x00ff0000
+#define GPIO_IN_ENABLE3_MII_GE1_MDI_LSB                              16
+#define GPIO_IN_ENABLE3_MII_GE1_MDI_SET(x)                           (((x) << GPIO_IN_ENABLE3_MII_GE1_MDI_LSB) & GPIO_IN_ENABLE3_MII_GE1_MDI_MASK)
+#define GPIO_OUT_FUNCTION4_ADDRESS                                   0x003c
+#define GPIO_OUT_FUNCTION4_ENABLE_GPIO_19_MASK                       0xff000000
+#define GPIO_OUT_FUNCTION4_ENABLE_GPIO_19_LSB                        24
+#define GPIO_OUT_FUNCTION4_ENABLE_GPIO_19_SET(x)                     (((x) << GPIO_OUT_FUNCTION4_ENABLE_GPIO_19_LSB) & GPIO_OUT_FUNCTION4_ENABLE_GPIO_19_MASK)
+#define GPIO_OUT_FUNCTION4_ENABLE_GPIO_17_MASK                       0x0000ff00
+#define GPIO_OUT_FUNCTION4_ENABLE_GPIO_17_LSB                        8
+#define GPIO_OUT_FUNCTION4_ENABLE_GPIO_17_SET(x)                     (((x) << GPIO_OUT_FUNCTION4_ENABLE_GPIO_17_LSB) & GPIO_OUT_FUNCTION4_ENABLE_GPIO_17_MASK)
+
+	base = ioremap(AR71XX_GPIO_BASE, AR71XX_GPIO_SIZE);
+
+	t = __raw_readl(base + GPIO_IN_ENABLE3_ADDRESS);
+	t &= ~GPIO_IN_ENABLE3_MII_GE1_MDI_MASK;
+	t |= GPIO_IN_ENABLE3_MII_GE1_MDI_SET(19);
+	__raw_writel(t, base + GPIO_IN_ENABLE3_ADDRESS);
+
+
+	__raw_writel(__raw_readl(base + AR71XX_GPIO_REG_OE) & ~(1 << 19), base + AR71XX_GPIO_REG_OE);
+
+	__raw_writel(__raw_readl(base + AR71XX_GPIO_REG_OE) & ~(1 << 17), base + AR71XX_GPIO_REG_OE);
+
+
+	t = __raw_readl(base + GPIO_OUT_FUNCTION4_ADDRESS);
+	t &= ~(GPIO_OUT_FUNCTION4_ENABLE_GPIO_19_MASK | GPIO_OUT_FUNCTION4_ENABLE_GPIO_17_MASK);
+	t |= GPIO_OUT_FUNCTION4_ENABLE_GPIO_19_SET(0x20) | GPIO_OUT_FUNCTION4_ENABLE_GPIO_17_SET(0x21);
+	__raw_writel(t, base + GPIO_OUT_FUNCTION4_ADDRESS);
+
+	iounmap(base);
+
+}
+
+static void __init ap132_setup(void)
+{
+	u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
+
+	ath79_register_m25p80(NULL);
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(ap132_leds_gpio),
+				 ap132_leds_gpio);
+	ath79_register_gpio_keys_polled(-1, AP132_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(ap132_gpio_keys),
+					ap132_gpio_keys);
+
+	ath79_register_usb();
+
+	ath79_register_wmac(art + AP132_WMAC_CALDATA_OFFSET, NULL);
+
+	/* GMAC0 of the AR8327 switch is connected to GMAC1 via SGMII */
+	ap132_ar8327_pad0_cfg.mode = AR8327_PAD_MAC_SGMII;
+	ap132_ar8327_pad0_cfg.sgmii_delay_en = true;
+
+	ath79_eth1_pll_data.pll_1000 = 0x03000101;
+
+	ap132_mdio_setup();
+
+	ath79_register_mdio(1, 0x0);
+
+	ath79_init_mac(ath79_eth1_data.mac_addr, art + AP132_MAC0_OFFSET, 0);
+
+	mdiobus_register_board_info(ap132_mdio1_info,
+				    ARRAY_SIZE(ap132_mdio1_info));
+
+	/* GMAC1 is connected to the SGMII interface */
+	ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
+	ath79_eth1_data.speed = SPEED_1000;
+	ath79_eth1_data.duplex = DUPLEX_FULL;
+	ath79_eth1_data.phy_mask = BIT(0);
+	ath79_eth1_data.mii_bus_dev = &ath79_mdio1_device.dev;
+
+	ath79_register_eth(1);
+}
+
+MIPS_MACHINE(ATH79_MACH_AP132, "AP132",
+	     "Atheros AP132 reference board",
+	     ap132_setup);
+